The museum will be open Fridays through Tuesdays 11 a.m. to 4 p.m. beginning Sept. 25. Reserve your free timed-entry pass and review our latest visitor safety guidelines.

Objective Lens

Objective Lens

Usage conditions apply
Downloads
Description
An astronomical transit instrument made by Pistor & Martins, of Berlin, was installed in the U.S. Naval Observatory in Washington, D.C., in 1861, and moved to the new observatory site in the 1890s. The is the 9-inch aperture objective lens from that instrument.
Location
Currently not on view
Object Name
Objective Lens
maker
Pistor & Martins
place made
Germany: Schleswig-Holstein, Berlin
Measurements
overall: 4 3/4 in x 12 3/4 in; 12.065 cm x 32.385 cm
overall: 4 1/2 in x 13 1/2 in; 11.43 cm x 34.29 cm
ID Number
2005.0172.04
accession number
2005.0172
catalog number
2005.0172.04
See more items in
Medicine and Science: Physical Sciences
Data Source
National Museum of American History
Nominate this object for photography.   

Our collection database is a work in progress. We may update this record based on further research and review. Learn more about our approach to sharing our collection online.

If you would like to know how you can use content on this page, see the Smithsonian's Terms of Use. If you need to request an image for publication or other use, please visit Rights and Reproductions.

Comments

Add a comment about this object